diff --git a/src/string_search.h b/src/string_search.h
index 7d59d89df78329..c924908b8b6573 100644
--- a/src/string_search.h
+++ b/src/string_search.h
@@ -14,8 +14,6 @@
 namespace node {
 namespace stringsearch {
 
-static const uint32_t kMaxOneByteCharCodeU = 0xff;
-
 template <typename T>
 class Vector {
  public: